package com.haieros.www.purerunshowsystem.utils;

/**
 * Created by W520 on 2017/12/27.
 */

public class StringUtils {
    /**
     * 判断是否为空
     * @param str
     * @return
     */
    public static boolean isEmpty(final String str) {
        return (str == null) || (str.length() == 0);
    }

}
